Question

If a two digit number has x for a tens digit and a units digit that is 3 more than x. What is the value of the number in terms of x ?

Answer 1

The value of the number in terms of x will be : 11x + 3

Explanation:

In the two digit number tens' digit is x and units' digit is 3 more than x , that means (x+3)

For getting a number, we will first multiply each digit by it's position and then just add all the products.

For x, the position is 10 and for (x+3), position is unit i.e. 1

So, the number will be:

$[x*10]+[(x+3)*1] \\ \\ =10x + x+3\\ \\ =11x+3$